CN219969406U - Independent suspension rear axle middle section assembly - Google Patents
Independent suspension rear axle middle section assembly Download PDFInfo
- Publication number
- CN219969406U CN219969406U CN202320706793.3U CN202320706793U CN219969406U CN 219969406 U CN219969406 U CN 219969406U CN 202320706793 U CN202320706793 U CN 202320706793U CN 219969406 U CN219969406 U CN 219969406U
- Authority
- CN
- China
- Prior art keywords
- output shaft
- assembly
- rear axle
- bearing seat
- box body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000725 suspension Substances 0.000 title claims abstract description 17
- 238000007654 immersion Methods 0.000 claims abstract description 6
- 238000005461 lubrication Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The utility model relates to an independent suspension rear axle middle section assembly which comprises a rear axle box body, a bearing seat, an output shaft assembly, a differential mechanism shell assembly and a rear cover assembly, wherein the bearing seat is arranged on the rear axle box body; a differential mechanism shell assembly is arranged in the rear axle box body; bearing seats are respectively arranged at two ends of the rear axle box body; one end of the output shaft assembly penetrates through the bearing seat and is connected with the differential mechanism shell assembly, and the other end of the output shaft assembly is connected with the bearing seat; the lower end of the rear axle box body is provided with a rear cover assembly. The utility model has compact structure, reduces weight, has the shortest distance between the left output axle and the right output axle and the center of the bridge, reduces the turning radius of the vehicle body, and is suitable for various operation sites; the central ABS is provided, so that the stability can be improved and the steering operability of the automobile can be improved when the emergency braking is sideslip or the tire is locked; meanwhile, as the running speed of the automobile crane is low and the rotation speed of the output shaft is low, the oil immersion lubrication design is adopted to lubricate and cool all parts in the rear axle box body.
Description
Technical Field
The utility model relates to the technical field of automobile chassis, in particular to a middle section assembly of a rear axle of an independent suspension.
Background
The automobile crane is mainly suitable for hoisting operation and installation engineering in the fields of chemical industry, mines, oil fields, ports and wharfs, construction sites and the like. Especially, the full ground crane has strong adaptability (various road conditions) and good maneuverability (lifting weight movement), and is a main direction of development of the automobile crane for several years. The domestic similar axle products are relatively lacking in the aspect of all-ground automobile hanging bridges, and the products have relatively large market prospect and high profit. The development of the product can bring great economic and social benefits to enterprises. The existing automobile crane axle has large weight and long axial distance of an output shaft, so that the automobile body turning radius is large, and the automobile crane axle is not suitable for narrow working places. And no ABS knot structure, automobile crane takes place sideslip or tire locking when emergency braking, because automobile crane quality is great, can bring certain security risk.
Disclosure of Invention
The utility model provides an independent suspension rear axle middle section assembly which has compact structure, reduces weight, has the shortest distance between left and right output axles and the center of a bridge, reduces the turning radius of a vehicle body and is suitable for various operation places; the central ABS is provided, so that the stability can be improved and the steering operability of the automobile can be improved when the emergency braking is sideslip or the tire is locked; meanwhile, as the running speed of the automobile crane is low and the rotation speed of the output shaft is low, the oil immersion lubrication design is adopted to lubricate and cool all parts in the rear axle box body.
In order to solve the problems in the background art, the utility model is realized by the following technical scheme:
an independent suspension rear axle middle section assembly comprises a rear axle box body, a bearing seat, an output shaft assembly, a differential mechanism shell assembly and a rear cover assembly; the differential mechanism shell assembly is arranged in the rear axle box body; the bearing seats are respectively arranged at the two ends of the rear axle box body; one end of the output shaft assembly penetrates through the bearing seat and is connected with the differential shell assembly, and the other end of the output shaft assembly is connected with the bearing seat; the rear cover assembly is arranged at the lower end of the rear axle box body.
Preferably, the bearing seat comprises a left bearing seat and a right bearing seat, and the left bearing seat and the right bearing seat are respectively arranged at two ends of the rear axle box body and are fixedly connected through fastening bolts; the output shaft assembly comprises a left output shaft and a right output shaft, the left output shaft connecting part respectively penetrates through the left bearing seat to be connected with the left end of the differential case assembly, and the right output shaft penetrates through the right bearing seat to be connected with the right end of the differential case assembly; the left output shaft and the right output shaft mounting part are respectively connected with the left bearing seat and the right bearing seat.
Preferably, one end of each of the left output shaft and the right output shaft mounting part is connected with the left bearing seat and the right bearing seat through elastic collars for shafts; the other ends of the left output shaft and the right output shaft mounting part are connected with the left bearing seat and the right bearing seat through circlips for holes; the left output shaft and the right output shaft are respectively provided with an adjusting gasket A, a deep groove ball bearing, an oil seal seat assembly and an adjusting gasket B, and the adjusting gasket A, the deep groove ball bearing, the oil seal seat assembly and the adjusting gasket B are sequentially arranged between the elastic retainer ring for the shaft and the elastic retainer ring for the hole.
Preferably, the left output shaft and the right output shaft are also provided with elastic retainer ring mounting holes for holes.
Preferably, the hole circlip mounting hole diameter is 10mm-30mm.
Preferably, the differential case assembly is connected with the rear axle box body through a fixing bolt; the differential mechanism shell assembly is provided with tapered roller bearings, the tapered roller bearings are arranged at the joints of the differential mechanism shell assembly, the left bearing seat and the right bearing seat, and the tapered roller bearings are connected with the differential mechanism shell assembly through adjusting nuts.
Preferably, the right end of the differential case assembly is sleeved with a sliding engagement sleeve, and the sliding engagement sleeve is connected with the differential case assembly through a spline; the sliding meshing sleeve is sleeved with a spacing ring; the right output shaft passes through the right bearing seat and the sliding engagement sleeve and is connected with a differential lock arranged on the differential case assembly.
Preferably, the left output shaft and the right output shaft mounting part are further provided with an ABS gear ring and a rotation speed sensor, the detection end of the rotation speed sensor is abutted to the ABS gear ring, and the output end of the rotation speed sensor is connected with a vehicle controller.
Preferably, the rear axle box body is also provided with a lower swing arm connecting plate.
Preferably, the lubricating mode of the rear axle box body is oil immersion lubrication.
Compared with the prior art, the utility model has the following beneficial technical effects:
the structure is compact, the weight is reduced, the distance between the left output axle and the right output axle is shortest from the center of the bridge, the turning radius of the vehicle body is reduced, and the device is suitable for various operation places; the central ABS is provided, so that the stability can be improved and the steering operability of the automobile can be improved when the emergency braking is sideslip or the tire is locked; meanwhile, as the running speed of the automobile crane is low and the rotation speed of the output shaft is low, the oil immersion lubrication design is adopted to lubricate and cool all parts in the rear axle box body.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a second schematic diagram of the structure of the present utility model;
fig. 3 is a schematic view of a partial structure at B-B in fig. 1.
Description of the reference numerals
1. A fastening bolt; 2. a left bearing seat; 3. a rear axle box; 4. a right bearing seat; 5. deep groove ball bearings; 6. an oil seal seat assembly; 19. a left output shaft; 8. a lower swing arm connecting plate; 9. a fixing bolt; 10. circlips for holes; 11. adjusting the gasket A; 12. adjusting the gasket B; 13. circlips for shafts; 14. adjusting the nut; 15. a rear cover assembly; 16. tapered roller bearings; 17. a spacer ring; 18. a differential case assembly; 7. a right output shaft; 20. the hole is provided with an elastic retainer ring mounting hole; 21. sliding engagement sleeve; 22. an ABS gear ring; 23. a rotation speed sensor.
Detailed Description
As shown in fig. 1-3, an independent suspension rear axle middle section assembly comprises a rear axle box body 3, a bearing seat, an output shaft assembly, a differential shell assembly 18 and a rear cover assembly 15; a differential case assembly 18 is arranged in the rear axle box body 3; bearing seats are respectively arranged at two ends of the rear axle box body 3; one end of the output shaft assembly passes through the bearing seat and is connected with the differential case assembly 18, and the other end of the output shaft assembly is connected with the bearing seat; the lower end of the rear axle box body 3 is provided with a rear cover assembly 15.
The bearing seats comprise a left bearing seat 2 and a right bearing seat 4, and the left bearing seat 2 and the right bearing seat 4 are respectively arranged at two ends of a rear axle box body 3 and are fixedly connected through a fastening bolt 1; the output shaft assembly comprises a left output shaft 19 and a right output shaft 7, the connecting part of the left output shaft 19 respectively penetrates through the left bearing seat 2 to be connected with the left end of the differential mechanism shell assembly 18, and the right output shaft 7 penetrates through the right bearing seat 4 to be connected with the right end of the differential mechanism shell assembly 18; the left output shaft 19 and the right output shaft 7 are connected to the left bearing housing 2 and the right bearing housing 4, respectively. The left output shaft 19 and the right output shaft 7 are respectively connected with the differential mechanism shell assembly 18 through the left bearing seat 2 and the right bearing seat 4, so that the distance between the left output shaft 19 and the right output shaft 7 and the rear axle box body 3 is shortest, the turning radius is reduced, and the device is suitable for various working places.
One end of the installation parts of the left output shaft 19 and the right output shaft 7 are connected with the left bearing seat 2 and the right bearing seat 4 through shaft circlips 13; the other ends of the mounting parts of the left output shaft 19 and the right output shaft 7 are connected with the left bearing seat 2 and the right bearing seat 4 through circlips 10 for holes; the left output shaft 19 and the right output shaft 7 are respectively provided with an adjusting gasket A11, a deep groove ball bearing 5, an oil seal seat assembly 6 and an adjusting gasket B12, and the adjusting gasket A11, the deep groove ball bearing 5, the oil seal seat assembly 6 and the adjusting gasket B12 are sequentially arranged between the elastic retainer ring 13 for the shaft and the elastic retainer ring 10 for the hole.
The left output shaft 19 and the right output shaft 7 are also provided with circlip mounting holes 20 for holes.
The circlip for hole mounting hole 20 has a diameter of 10mm-30mm.
The differential case assembly 18 is connected with the rear axle box body 3 through a fixing bolt 9; the differential case assembly 18 is provided with tapered roller bearings 16, the tapered roller bearings 16 are arranged at the joints of the differential case assembly 18, the left bearing seat 2 and the right bearing seat 4, and the tapered roller bearings 16 are connected with the differential case assembly 18 through adjusting nuts 14.
The right end of the differential case assembly 18 is sleeved with a sliding engagement sleeve 21, and the sliding engagement sleeve 21 is connected with the differential case assembly 18 through a spline; the sliding engagement sleeve 21 is sleeved with a spacing ring 17; the right output shaft 19 passes through the right bearing housing 4 and the slide engaging sleeve 21, and is connected with a differential lock provided in the differential case assembly 18.
The installation parts of the left output shaft 19 and the right output shaft 7 are respectively provided with an ABS gear ring 22 and a rotation speed sensor 23, the detection end of the rotation speed sensor 23 is abutted with the ABS gear ring 22, and the output end of the rotation speed sensor 23 is connected with a vehicle controller. The ABS ring gear 22 is provided, and the ABS ring gear is detected by the rotation speed sensor 23 and fed back to the vehicle controller, so that stability can be increased and steering operability of the vehicle can be improved when sudden braking sideslip or tire locking occurs.
The rear axle box body 3 is also provided with a lower swing arm connecting plate 8.
The rear axle box body 3 is lubricated by oil immersion. And (3) lubricating by immersing in oil, and lubricating and cooling all parts in the rear axle box body 3.
Claims (10)
1. An independent suspension rear axle middle section assembly which is characterized in that: comprises a rear axle box body (3), a bearing seat, an output shaft assembly, a differential mechanism shell assembly (18) and a rear cover assembly (15); the differential mechanism shell assembly (18) is arranged in the rear axle box body (3); the bearing seats are respectively arranged at the two ends of the rear axle box body (3); one end of the output shaft assembly penetrates through the bearing seat and is connected with the differential shell assembly (18), and the other end of the output shaft assembly is connected with the bearing seat; the lower end of the rear axle box body (3) is provided with the rear cover assembly (15).
2. The independent suspension rear axle middle section assembly according to claim 1, wherein the bearing seat comprises a left bearing seat (2) and a right bearing seat (4), the left bearing seat (2) and the right bearing seat (4) are respectively arranged at two ends of the rear axle box body (3) and are fixedly connected through fastening bolts (1); the output shaft assembly comprises a left output shaft (19) and a right output shaft (7), the connecting parts of the left output shaft (19) respectively penetrate through the left bearing seat (2) to be connected with the left end of the differential mechanism shell assembly (18), and the right output shaft (7) penetrates through the right bearing seat (4) to be connected with the right end of the differential mechanism shell assembly (18); the left output shaft (19) and the right output shaft (7) are respectively connected with the left bearing seat (2) and the right bearing seat (4).
3. The independent suspension rear axle middle section assembly according to claim 2, wherein one end of the mounting part of the left output shaft (19) and one end of the mounting part of the right output shaft (7) are connected with the left bearing seat (2) and the right bearing seat (4) through elastic collars (13) for shafts; the other ends of the mounting parts of the left output shaft (19) and the right output shaft (7) are connected with the left bearing seat (2) and the right bearing seat (4) through hole circlips (10); the left output shaft (19) and the right output shaft (7) are respectively provided with an adjusting gasket A (11), a deep groove ball bearing (5), an oil seal seat assembly (6) and an adjusting gasket B (12), and the adjusting gasket A (11), the deep groove ball bearing (5), the oil seal seat assembly (6) and the adjusting gasket B (12) are sequentially arranged between the elastic retainer ring (13) for the shaft and the elastic retainer ring (10) for the hole.
4. The independent suspension rear axle middle section assembly according to claim 3, wherein the left output shaft (19) and the right output shaft (7) are further provided with circlip mounting holes (20) for holes.
5. The independent suspension rear axle midsection assembly of claim 4 wherein the circlip mounting hole (20) has a diameter of 10mm to 30mm.
6. The independent suspension rear axle midsection assembly according to claim 2, wherein the differential case assembly (18) is connected with the rear axle housing (3) by a fixing bolt (9); the differential mechanism shell assembly (18) is provided with a tapered roller bearing (16), the tapered roller bearing (16) is arranged at the joint of the differential mechanism shell assembly (18) and the left bearing seat (2) and the right bearing seat (4), and the tapered roller bearing (16) is connected with the differential mechanism shell assembly (18) through an adjusting nut (14).
7. The independent suspension rear axle midsection assembly of claim 6, wherein the right end of the differential case assembly (18) is sleeved with a sliding engagement sleeve (21), and the sliding engagement sleeve (21) is connected with the differential case assembly (18) through a spline; the sliding meshing sleeve (21) is sleeved with a spacing ring (17); the right output shaft (7) passes through the right bearing seat (4) and the sliding engagement sleeve (21) and is connected with a differential lock arranged on the differential shell assembly (18).
8. The independent suspension rear axle middle section assembly according to claim 2, wherein the left output shaft (19) and the right output shaft (7) mounting parts are further provided with an ABS gear ring (22) and a rotation speed sensor (23), the detection end of the rotation speed sensor (23) is abutted to the ABS gear ring (22), and the output end of the rotation speed sensor (23) is connected with a vehicle controller.
9. The independent suspension rear axle midsection assembly of claim 1, wherein the rear axle housing (3) is further provided with a lower swing arm connecting plate (8).
10. The independent suspension rear axle midsection assembly of claim 1, wherein the lubrication mode of the rear axle box body (3) is oil immersion lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706793.3U CN219969406U (en) | 2023-04-03 | 2023-04-03 | Independent suspension rear axle middle section assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320706793.3U CN219969406U (en) | 2023-04-03 | 2023-04-03 | Independent suspension rear axle middle section assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219969406U true CN219969406U (en) | 2023-11-07 |
Family
ID=88592913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320706793.3U Active CN219969406U (en) | 2023-04-03 | 2023-04-03 | Independent suspension rear axle middle section assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219969406U (en) |
-
2023
- 2023-04-03 CN CN202320706793.3U patent/CN219969406U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |